package cls.inter.db;

/**
 * @author mubei
 * @date 2021/12/21
 * @description
 */
public class Test {

    public static void main(String[] args) {
        MysqlDB mysqlDB = new MysqlDB();

        DBInterface.work(mysqlDB);

        System.out.println('A');
        System.out.println('H');

    }


}
